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For electrical or computer engineering students or anyone with a passing interest, this site presents a very good overview of digital logic. The basics of both combinational and sequential logic are discussed, and the design of specific components such as counters and shift registers are also illustrated. A particularly interesting section is devoted to the inner workings of logic gates, which is...

This is the website for Columbia University's Department of Industrial Engineering and Operations Research, which is "concerned with the design, analysis, and control of production and service operations and systems." The website describes two of the Department's research centers. The first, the Center for Applied Probability, supports interdisciplinary research on probability and its...